His name is Yangyang, one of the many subjects of 'Lab. V' to be researched further, but he had to be locked away in a spesific room due to his unstable mental. He was taken by the scientist because of his unique ability as a soothsayer; meaning he knows exactly what will happens in the future, and whatever he writes will comes true. Altough, his drawings that filled the facility's wall are difficult to understand since they depict things that haven't happened yet.